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diverging lens

American  

noun

Optics.
  1. a lens that causes a beam of parallel rays to diverge after refraction, as from a virtual image; a lens that has a negative focal length.


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The focal length f of a diverging lens is negative.

From Textbooks ● Aug. 12, 2015

Figure 26.6 Correction of nearsightedness requires a diverging lens that compensates for the overconvergence by the eye.

From Textbooks ● Aug. 12, 2015

A ray that enters a diverging lens by heading toward the focal point on the opposite side exits parallel to the axis.

From Textbooks ● Aug. 12, 2015

This is a case 3 image, formed for any object by a negative focal length or diverging lens.

From Textbooks ● Aug. 12, 2015

Toward this aperture there may be moved either a converging lens of five dioptries or a diverging lens of the same diameter, but of six dioptries.

From Scientific American Supplement, No. 620, November 19,1887 by Various

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